/*
 * Copyright 1999-2017 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package studio.raptor.sqlparser.ast.statement;

import studio.raptor.sqlparser.ast.SQLExpr;
import studio.raptor.sqlparser.ast.SQLName;
import studio.raptor.sqlparser.ast.SQLObjectImpl;
import studio.raptor.sqlparser.visitor.SQLASTVisitor;

public class SQLAlterTableAlterColumn extends SQLObjectImpl implements SQLAlterTableItem {

  private SQLName originColumn;

  private SQLColumnDefinition column;

  private boolean setNotNull;

  private boolean dropNotNull;

  private SQLExpr setDefault;

  private boolean dropDefault;

  @Override
  protected void accept0(SQLASTVisitor visitor) {
    if (visitor.visit(this)) {
      acceptChild(visitor, column);
      acceptChild(visitor, setDefault);
    }
    visitor.endVisit(this);
  }

  public SQLColumnDefinition getColumn() {
    return column;
  }

  public void setColumn(SQLColumnDefinition column) {
    this.column = column;
  }

  public boolean isSetNotNull() {
    return setNotNull;
  }

  public void setSetNotNull(boolean setNotNull) {
    this.setNotNull = setNotNull;
  }

  public boolean isDropNotNull() {
    return dropNotNull;
  }

  public void setDropNotNull(boolean dropNotNull) {
    this.dropNotNull = dropNotNull;
  }

  public SQLExpr getSetDefault() {
    return setDefault;
  }

  public void setSetDefault(SQLExpr setDefault) {
    this.setDefault = setDefault;
  }

  public boolean isDropDefault() {
    return dropDefault;
  }

  public void setDropDefault(boolean dropDefault) {
    this.dropDefault = dropDefault;
  }

  public SQLName getOriginColumn() {
    return originColumn;
  }

  public void setOriginColumn(SQLName originColumn) {
    if (originColumn != null) {
      originColumn.setParent(this);
    }
    this.originColumn = originColumn;
  }
}
